./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b17ee119bef1fd8cd5134a7af55c483345112c89dff1a376575e65f669f9d0d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:05:36,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:05:36,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:05:36,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:05:36,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:05:36,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:05:36,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:05:36,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:05:36,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:05:36,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:05:36,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:05:36,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:05:36,806 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:05:36,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:05:36,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:05:36,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:05:36,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:05:36,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:05:36,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:05:36,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:05:36,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:05:36,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:05:36,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:05:36,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:05:36,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:05:36,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:05:36,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:05:36,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:05:36,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:05:36,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:36,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:05:36,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:05:36,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:05:36,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:05:36,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:05:36,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b17ee119bef1fd8cd5134a7af55c483345112c89dff1a376575e65f669f9d0d6 [2024-11-09 00:05:37,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:05:37,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:05:37,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:05:37,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:05:37,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:05:37,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i Unable to find full path for "g++" [2024-11-09 00:05:39,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:05:39,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:05:39,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/sv-benchmarks/c/loop-zilu/benchmark12_linear.i [2024-11-09 00:05:39,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/data/3ad754e33/80f98a200e0541dbb95997c32aa2246f/FLAG8bb9f6fd6 [2024-11-09 00:05:39,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/data/3ad754e33/80f98a200e0541dbb95997c32aa2246f [2024-11-09 00:05:39,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:05:39,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:05:39,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:39,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:05:39,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:05:39,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70183506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39, skipping insertion in model container [2024-11-09 00:05:39,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:05:39,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:39,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:05:39,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:39,636 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:05:39,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39 WrapperNode [2024-11-09 00:05:39,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:39,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:39,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:05:39,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:05:39,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,670 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-09 00:05:39,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:39,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:05:39,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:05:39,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:05:39,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:05:39,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:05:39,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:05:39,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:05:39,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:39,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:39,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:05:39,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:05:39,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:05:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:05:39,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:05:39,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:05:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:05:39,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:05:39,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:05:39,942 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 00:05:39,943 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:05:39,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:05:39,981 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:05:39,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:39 BoogieIcfgContainer [2024-11-09 00:05:39,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:05:39,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:05:39,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:05:39,994 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:05:39,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:39" (1/1) ... [2024-11-09 00:05:40,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:05:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-09 00:05:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-09 00:05:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:05:40,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:40,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:05:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-09 00:05:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-09 00:05:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:05:40,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:40,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:40,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:05:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:40,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:05:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:40,476 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:05:40,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:05:40 ImpRootNode [2024-11-09 00:05:40,502 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:05:40,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:05:40,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:05:40,504 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:05:40,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:39" (3/4) ... [2024-11-09 00:05:40,505 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:05:40,548 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:05:40,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:05:40,549 INFO L158 Benchmark]: Toolchain (without parser) took 1227.57ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 72.9MB in the end (delta: 48.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-09 00:05:40,550 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:40,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.87ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 108.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:05:40,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.73ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 107.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:05:40,551 INFO L158 Benchmark]: Boogie Preprocessor took 24.85ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 106.5MB in the end (delta: 910.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:40,552 INFO L158 Benchmark]: RCFGBuilder took 285.16ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 94.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:05:40,552 INFO L158 Benchmark]: CodeCheck took 519.62ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 74.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:05:40,553 INFO L158 Benchmark]: Witness Printer took 44.96ms. Allocated memory is still 153.1MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:40,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] int t = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(x!=y && y==t)) VAL [t=2147483647, x=2147483646, y=2147483647] [L24] COND TRUE __VERIFIER_nondet_bool() [L25] COND TRUE x>0 VAL [t=2147483647, x=2147483646, y=2147483647] [L25] y+x VAL [t=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.87ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 108.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.73ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 107.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.85ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 106.5MB in the end (delta: 910.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.16ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 94.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 519.62ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 74.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 44.96ms. Allocated memory is still 153.1MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:05:40,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc73afa2-7287-40cf-8077-6d29e2aee467/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)